Base | Representation |
---|---|
bin | 1101101001001001001101… |
… | …11101011011101111111100 |
3 | 10221020001211021202020121110 |
4 | 12310210212331123233330 |
5 | 12413014022022414322 |
6 | 143450134053002020 |
7 | 6214333516065555 |
oct | 664444675335774 |
9 | 127201737666543 |
10 | 30001000201212 |
11 | 9617397542027 |
12 | 344648a323310 |
13 | 139810b719ba1 |
14 | 75a0b014b32c |
15 | 3705dc9e9c0c |
hex | 1b4926f5bbfc |
30001000201212 has 96 divisors (see below), whose sum is σ = 72131551252992. Its totient is φ = 9697989240576.
The previous prime is 30001000201181. The next prime is 30001000201217. The reversal of 30001000201212 is 21210200010003.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30001000201217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190122298 + ... + 190280030.
It is an arithmetic number, because the mean of its divisors is an integer number (751370325552).
Almost surely, 230001000201212 is an apocalyptic number.
It is an amenable number.
30001000201212 is an abundant number, since it is smaller than the sum of its proper divisors (42130551051780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30001000201212 is a wasteful number, since it uses less digits than its factorization.
30001000201212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159187 (or 159185 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 30001000201212 its reverse (21210200010003), we get a palindrome (51211200211215).
The spelling of 30001000201212 in words is "thirty trillion, one billion, two hundred one thousand, two hundred twelve".
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